<template>
  <div class="wrapper" ref="wrapper">
    <div class="content">
      <slot></slot>
    </div>
  </div>
</template>

<script>
import BScroll from "better-scroll";
export default {
  name: "Scroll",
  props: {
    probeType: {
      type: Number,
      default: 0,
    },
    pullUpLoad: {
      type: Boolean,
      default: false,
    },
  },
  data() {
    return {
      scroll: null,
    };
  },

  mounted() {
    // 不要使用Dom方式获取！！！！！！！！！！！
    this.scroll = new BScroll(this.$refs.wrapper, {
      probeType: this.probeType,
      click: true,
      pullUpLoad: this.pullUpLoad,
    });

    // 监听滚动位置
    if(this.probeType){
    this.scroll.on("scroll", (position) => {
      // console.log(position);
      this.$emit("scroll", position);
    });}

    // 监听上拉事件
    if (this.pullUpLoad) {
      this.scroll.on("pullingUp", () => {
        // console.log('上拉加载更多');
        this.$emit("pullingUp");
      });
      // this.scroll.refresh()
    }
  },

  methods: {
    // time默认值300
    scrollTo(x, y, time = 300) {
      this.scroll.scrollTo(x, y, time);
    },
    finishPullUp() {
      this.scroll.finishPullUp();
      this.scroll.refresh();
    },
    refresh() {
      this.scroll.refresh();
    },
    
  },
};
</script>

<style lang="css" scoped>
</style>